T he solar system drifts inside an immense, low-density cavity known as the Local Hot Bubble (LHB). This region, spanning at least 1,000 light-years, radiates X-rays due to its searing million ...

However, such an empty region, while the atoms are sparse ... Scientists have now managed to start drawing up a map of the LHB, and it has revealed a shocking secret. Using the eROSITA x-ray ...